Caring for future generation

Paving the way to implementation of major projects

Promoting environmental sustainability

Enhancing growth through diligence

Committing towards strategic wastewater management

Innovation and quality assurance

Steering ahead with a strong ethical culture

Gearing financial sustainability

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About Us

The Wastewater Management Authority (WMA) has been established as a corporate body under the Wastewater Management Authority Act 2000 to be responsible for all matters relating to the collection, treatment and disposal of wastewater throughout Mauritius. It operates under the aegis of the Ministry of Energy and Public Utilities.

Our Profile

Our Profile

The country’s only organisation responsible for the wastewater sector in Mauritius

management team

management team




The evolution in the wastewater sector started when the present Plaine Wilhems system was constructed in the 1960’s.

core business



WMA is committed to expand the sewer network across the island and construct new wastewater infrastructure in line with the vision of Government.

Operations & Maintenance

Operations & Maintenance

Operations and Maintenance (O&M) of the wastewater infrastructure is a core...

Mechanical & Electrical

Mechanical & Electrical

The Mechanical and Electrical (M&E) Unit is responsible for the proper operation and maintenance...

Pollution Control & WMA Laboratory

Pollution Control & WMA Laboratory

The Pollution Control Unit ensures that all wastewaters from infrastructural...

Our Engagement

towards our stakeholders

our services

WMA’s main services include processing applications for new House Connections, Building Clearances, Notary Clearances, Licences for Wastewater Carriers, Industrial Effluent Discharge Permits and Wastewater Clearances with regards to applications for Morcellement Permits. The WMA offers a number of services to its Domestic and Non-Domestic Customers as well as Operators in the Wastewater Sector.


Annual Reports & Audited Financial Statements

Annual Reports & Audited Financial Statements

customer charter

customer charter

invitation for bids

invitation of bids

forms & downloadables

forms & downloadables

Facts and figures



755 km of sewer lines over 200 mm diameter are in operation.
This figure will increase with the forthcoming wastewater projects.


registered customers

As at 30 April 2024 WMA has 95299 registered customers.



132 000 m3 of wastewater being treated on a daily basis at our wastewater Treatment Plants.



Units of Electricity generated per month at our St Martin TP, which is used solely on site